Pad Refills (Pack of 6 Pads) - 18" x 36" x 1" Quantity:Default the A+2000 uses stage loading

the A+2000 uses stage loading

The Pad and Frame Air Filter involves a permanent frame and replaceable filtration pad inserts

Finally they are factory made so you don‰۪t have to deal with the hassle of trying to cut and size your custom air filters and they come with a full warranty

and long service life which reduces HVAC equipment maintenance and energy costs

The A+2000 line is easy to maintain with no need to buy oils or adhesives to enhance effectiveness

Pad Refills (Pack of 6 Pads) - 18" x 36" x 1" Quantity:Default the A+2000 uses stage loadingPACK of 6 pads for Pad and Frame Air Filters Filtering inserts are anti microbial and are more efficient in capturing particles, such as dust, ragweed, pollen, etc., from the air stream, than standard fiberglass filters purchased at retail outlets. Filtering inserts are shipped in an easily stored packet.